Go to a Dave Matthews concert or listen to any of his crappy music
Wear skinny jeans
fart in an elevator
eat horseradish
drive a motorcycle
smoke cigarettes
drink gin
grow my hair out long
grow a mustache
@PedroDePacas: Did #1 when I was a kid, but no more. Agree with #2 and #3. I like doing #4, #5, and I used to do #6. Agree with #7. I've done #8, #9, and #10.